WO2023154123A3 - Thin-film structures for optical applications comprising fluoride mixtures - Google Patents

Thin-film structures for optical applications comprising fluoride mixtures Download PDF

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Publication number
WO2023154123A3
WO2023154123A3 PCT/US2022/054396 US2022054396W WO2023154123A3 WO 2023154123 A3 WO2023154123 A3 WO 2023154123A3 US 2022054396 W US2022054396 W US 2022054396W WO 2023154123 A3 WO2023154123 A3 WO 2023154123A3
Authority
WO
WIPO (PCT)
Prior art keywords
thin
optical applications
film structures
fluoride mixtures
fluoride
Prior art date
Application number
PCT/US2022/054396
Other languages
French (fr)
Other versions
WO2023154123A2 (en
Inventor
Taeyoon JEON
Axel Scherer
Jack Jewell
Original Assignee
California Institute Of Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by California Institute Of Technology filed Critical California Institute Of Technology
Publication of WO2023154123A2 publication Critical patent/WO2023154123A2/en
Publication of WO2023154123A3 publication Critical patent/WO2023154123A3/en

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/08—Mirrors
    • G02B5/0816—Multilayer mirrors, i.e. having two or more reflecting layers
    • G02B5/085—Multilayer mirrors, i.e. having two or more reflecting layers at least one of the reflecting layers comprising metal
    • G02B5/0875—Multilayer mirrors, i.e. having two or more reflecting layers at least one of the reflecting layers comprising metal the reflecting layers comprising two or more metallic layers
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
    • G02B1/11—Anti-reflection coatings
    • G02B1/113—Anti-reflection coatings using inorganic layer materials only
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/08—Mirrors
    • G02B5/0883—Mirrors with a refractive index gradient
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/28—Interference filters
    • G02B5/281—Interference filters designed for the infrared light
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/28—Interference filters
    • G02B5/285—Interference filters comprising deposited thin solid films
    • G02B5/288—Interference filters comprising deposited thin solid films comprising at least one thin film resonant cavity, e.g. in bandpass filters

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Surface Treatment Of Optical Elements (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Glass Compositions (AREA)
  • Physical Vapour Deposition (AREA)

Abstract

An optica I -th in -film structure comprises a low-index optical thin film consisting essentially of co-deposited Barium Fluoride and a secondary fluoride compound, and a high-index optical thin film.
PCT/US2022/054396 2022-02-11 2022-12-30 Thin-film structures for optical applications comprising fluoride mixtures WO2023154123A2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US202263309098P 2022-02-11 2022-02-11
US63/309,098 2022-02-11
US18/091,221 US20230258848A1 (en) 2022-02-11 2022-12-29 Thin-film Structures for Optical Applications Comprising Fluoride Mixtures
US18/091,221 2022-12-29

Publications (2)

Publication Number Publication Date
WO2023154123A2 WO2023154123A2 (en) 2023-08-17
WO2023154123A3 true WO2023154123A3 (en) 2023-10-05

Family

ID=87559503

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2022/054396 WO2023154123A2 (en) 2022-02-11 2022-12-30 Thin-film structures for optical applications comprising fluoride mixtures

Country Status (2)

Country Link
US (1) US20230258848A1 (en)
WO (1) WO2023154123A2 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070006663A1 (en) * 2003-09-04 2007-01-11 Zerwekh Paul S Optical sensor with co-located pressure and temperature sensors
US20160320534A1 (en) * 2013-12-09 2016-11-03 Element Six Technologies Limited Synthetic diamond optical mirrors
US20190011618A1 (en) * 2013-11-18 2019-01-10 Viavi Solutions Inc Matched interference pigments or foils and method
US20190044304A1 (en) * 2017-07-17 2019-02-07 Thorlabs, Inc. Mid-infrared vertical cavity laser

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070006663A1 (en) * 2003-09-04 2007-01-11 Zerwekh Paul S Optical sensor with co-located pressure and temperature sensors
US20190011618A1 (en) * 2013-11-18 2019-01-10 Viavi Solutions Inc Matched interference pigments or foils and method
US20160320534A1 (en) * 2013-12-09 2016-11-03 Element Six Technologies Limited Synthetic diamond optical mirrors
US20190044304A1 (en) * 2017-07-17 2019-02-07 Thorlabs, Inc. Mid-infrared vertical cavity laser

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
GILL ET AL.: "Ge/BaF2 thin-films for surface micromachined mid-wave and long-wave infrared reflectors", JOURNAL OF OPTICAL MICROSYSTEMS, vol. 2, no. 1, 4 January 2022 (2022-01-04), pages 011002, XP060153259, DOI: 10.1117/1.JOM.2.1.011002 *

Also Published As

Publication number Publication date
WO2023154123A2 (en) 2023-08-17
US20230258848A1 (en) 2023-08-17

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